Exhibit 21

Subsidiaries of Codexis, Inc.

As of July 31, 2008


Name of Subsidiary


State or Jurisdiction in Which
Incorporated or Organized

Julich Chiral Solutions GmbH    Germany
Codexis Laboratories Singapore Pte. Ltd.    Singapore
Wasabi Acquisition LLC    Delaware
BioCatalytics Europe GmbH(1)    Austria
Codexis Laboratories Mauritius Private Limited    Mauritius
Codexis Laboratories India Private Limited(2)    India
Codexis Laboratories Hungary Kft.    Hungary

(1) 100% owned by Wasabi Acquisition LLC

(2) 99.99% owned by Codexis Mauritius, 0.01% owned by Codexis, Inc.